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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: bug or feature
Date: Mon, 06 Oct 2014 18:48:58 +0100
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Date: 2014-10-06T18:48:58+01:00
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Stephen Leake <stephen_leake@stephe-leake.org> writes:

> Simon Wright <simon@pushface.org> writes:
>
>> Looks like a regression.
>>
>> I tried this compilable version of your code
>>
>> <snip>
>> and it fails as you say with GNAT GPL 2014 and FSF GCC 4.9.0. However,
>> GNAT GPL 2013 and FSF GCC 4.8.1 are both happy.
>
> Gnat 7.2.1 gives the error.
>
> In general, I've found that GNAT gets more precise as time goes on. So I
> suspect this is a legitimate error, the check for which was recently
> implemented.
>
> On the other hand, the generalized iterator code is all fairly new, so
> it could also be that something they changed broke this.
>
> Definitely worth reporting.

AdaCore say "This works properly on the development version of GNAT."